tacrine /ˈtakrēn, ˈtækrin 
/ ▸ noun Medicine a synthetic drug used in Alzheimer's disease to inhibit the breakdown of acetylcholine by cholinesterase and thereby enhance neurological function. An acridine derivative; chemical formula: C
13H
15N
2Cl
. – ORIGIN 1960s : from t(etra-) + acr(id)ine.
EnglishOxford New American Dictionary
